[填空题]
The tires of a car make 85 revolutions as the car reduces iu*hypldm a fh,6 -*k*tts speed unif+;4x5jf /da0s wb*filvgqh l*ormly from 90km/h to 60km/h The tires have a diameter of 0.90 m. (a *;0w/*5qh4gflda j +ibvxlsf) What was the angular acceleration of each tire? $\approx$ $rad/s^2$(round to two decimal place) (b) If the car continues to decelerate at this rate, how much more time is required for it to stop? s
Post time 2025-2-18 20:00:22
